#37105E#37105E

#37105E is a dark, vivid violet. Relative luminance 0.020; OKLCH L 28.7% C 0.128 H 301.1°. Best body text is #FFFFFF at 15.02:1 contrast (WCAG AA passes).

Color values

HEX	#37105E
RGB	rgb(55, 16, 94)
HSL	hsl(270, 71%, 22%)
HSV	hsv(270, 83%, 37%)
CMYK	cmyk(41.5%, 83%, 0%, 63.1%)
CIE-LAB	lab(15.44, 35.16, -38.30)
CIE-LCH	lch(15.44, 51.99, 312.56°)
OKLab	oklab(28.7% 0.0661 -0.1094)
OKLCH	oklch(28.7% 0.128 301.1)
XYZ	xyz(3.7807, 1.9909, 10.7726)
Luminance	0.0199 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.37

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37105E #375E10

analogous

#10105E #37105E #5E105E

triadic

#37105E #5E3710 #105E37

tetradic

#37105E #5E1010 #375E10 #105E5E

square

#37105E #5E1010 #375E10 #105E5E

split-complementary

#37105E #5E5E10 #105E10

monochromatic

#0F041A #18072A #37105E #561992 #7422C7

Accessibility & contrast

On white

15.02

#37105E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#37105E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37105E

15.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37105E	#FFFFFF	#000000	##FFFFFF
##37105E	1.00	15.02	1.40	15.02
#FFFFFF	15.02	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002660

Deuteranopia (green-blind)

#00265C

Tritanopia (blue-blind)

#2E2537

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #37105e;
/* rgb */ color: rgb(55, 16, 94);
/* oklch */ color: oklch(28.7% 0.128 301.1);

Tailwind

colors: {
  custom: {
    50: '#73538c',
    500: '#37105e',
    950: '#000000',
  },
}

SCSS

$custom: #37105e;
$custom-light: #73538c;
$custom-dark: #000000;

JSON

{
  "hex": "#37105e",
  "rgb": {
    "r": 55,
    "g": 16,
    "b": 94
  },
  "hsl": {
    "h": 270,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.28701,
    "c": 0.1278,
    "h": 301.1
  },
  "luminance": 0.01991
}

Semantic roles & 50–950 ramp

primary

#37105E

secondary

#659733

accent

#EE3A94

background

#F7F4F8

surface

#EDE8F0

border

#C8C4CB

text

#08030C

muted

#7B787D

Preview Lab

Preview with #37105E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →